Anti-Corrosion Coatings and Coating Applications
Anti-rust, anti-corrosion, or metal or protective coatings protect metal components against the destructive degradations of exposure to industrial chemicals, environmental factors, oxidation, salt spray, and moisture. Anti-corrosion protective coatings are additional protection for metal surfaces and acts as a barrier to inhibit the contact between corrosive materials and chemical compounds.
In addition to corrosion prevention, protective coating provides chemical protection, non-stick performance, and abrasion resistance. Coatings provide anti-corrosive properties to ensure metal components have the longest possible lifespan.
Different coatings are used for different situations, depending on how metals are exposed, whether in harsh chemical, industrial, or off-shore environments. A few coatings can be used for all types of situations, even against extreme chemicals, saltwater, and humidity.
- Fluoropolymer – Resin/lubricant blends that offer high-quality corrosion protection.
- Xylan – A fluoropolymer that can extend component life.
- Molybdenum Disulfide – Friction protection for high-pressure loads.
- Epoxy or Air Dry – Cost-effective anti-corrosion coating.
- Epoxy Thermal Cure – Superior impact resistance, abrasion and corrosion resistance.
- Phenolic – Ideal in low pH and high-temperature environments.
- Phosphate – Ferrous metal coating for anti-galling and minor corrosion resistance.
- Inorganic Zinc – Corrosion and weathering protection for steel.
- PTFE (Polytetrafluoroethylene) – A non-stick coating able to withstand high temperatures.
- FEP (Fluorinated Ethylene Propylene) – PTFE characteristics with better abrasion applications.
- Chemical Epoxy Coating – A unique abrasion resistant coating that protects by binding ceramic particles to a resin system.
Other Uses for Coating Applications
For other uses, metal coatings can be used as lubricants or torque agents. For instance, fasteners, bolts, and screws that are metal can be treated with metal coatings to make them easier to tighten or unscrew.
Walk around the house, and one can find metal coatings on outdoor furniture, fences, or pool accessories. The metal coatings protect these metals from the weather, so they don’t rust when they have to endure a rainstorm. One common form of steel coating usually recognisable around any house is galvanised steel.
Walking anywhere, you may observe that metal coatings can be formulated and applied either for a functional choice or a cosmetic choice. For instance, when the metal coating is applied to an aircraft, the finish needs to be smooth. A rough finish would negatively impact on the aircraft’s aerodynamics. This is functional. The choice of colour in the metal coating of heavy equipment is a cosmetic choice that can be chosen to suit the manufacturer’s taste.
If your company has metal products that could benefit from the application of protective metal coatings such as polyvinyl chloride copolymer solution coating, call the experts at Unituff. The experts at Unituff will introduce you to Unituff 452 (formerly Seal ‘n’ Peel) metal coating and Unituff OGS coating specially formulated for stainless steel.